One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,11)(3,12,6,8)(4,14,15,9)(5,10,16,13)(18,20)(19,25)(24,28)(27,29)(33,34)(35,42)(36,39)(37,45)(38,41)(40,46)(43,47)(44,48)(1,3,7,6)(2,8,11,12)(4,10,15,13)(5,9,16,14)(17,18,22,20)(19,23,25,26)(21,24,30,28)(27,31,29,32)(33,34)(35,42)(36,39)(37,40)(38,41)(43,48)(44,47)(45,46)(17,19)(18,23)(20,26)(21,27)(22,25)(24,31)(28,32)(29,30)(33,35,38,36)(34,39,41,42)(37,43,46,44)(40,47,45,48)(1,4,7,15)(2,9,11,14)(3,13,6,10)(5,12,16,8)(17,19)(18,23)(20,26)(21,29)(22,25)(24,32)(27,30)(28,31)(33,36,38,35)(34,39,41,42)(37,44,46,43)(40,47,45,48)(1,5)(2,10)(3,9)(4,12)(6,14)(7,16)(8,15)(11,13)(17,20,22,18)(19,26,25,23)(21,24,30,28)(27,31,29,32)(33,37,38,46)(34,40,41,45)(35,43,36,44)(39,47,42,48)(1,6,7,3)(2,8,11,12)(4,13,15,10)(5,9,16,14)(17,21,22,30)(18,24,20,28)(19,27,25,29)(23,31,26,32)(33,34)(35,39)(36,42)(37,45)(38,41)(40,46)(43,48)(44,47)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.